Darwin, C. (1872). On the origin of species: By means of natural selection (Sixth edition.). The Floating Press.
芝加哥风格引文Darwin, Charles. On the Origin of Species: By Means of Natural Selection. Sixth edition. [Auckland, New Zealand]: The Floating Press, 1872.
MLA引文Darwin, Charles. On the Origin of Species: By Means of Natural Selection. Sixth edition. The Floating Press, 1872.
警告：这些引文格式不一定是100％准确.